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1、Unit 13 We’re trying to save the earth! 全单元教案 一、教学目标： 1. 语言知识目标 基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle,
2、napkin, upside, gate, bottle, president, inspiration, iron, work, metal, creativity, 基本词组：be harmful to, at the top (of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull… down, bring back 基本句型：We’re trying to save the earth! The river us
3、ed to be so clean. The air is badly polluted. No scientific studies have showed that shark fins are good for health. We should help save the sharks. 2. 技能目标: 能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。 3. 情感目标: 有环境危机意识，学会关注环境保护环境。 二、教学重难点： 1. 教学重点：（1）能正确
4、运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。 （2）保护环境的措施方法。 2. 教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。三、教学步骤: Period 1 Section A 1 (1a-2d) Step 1 Presentation Show the picture of the earth and tell students the earth is polluted now. Factories pour dangerous gases into the
5、 air. Cars also pour dangerous gases into the air. Some people smoke in public places. …… We must think of better way to treat our planet in future. Step 2 Learning 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. S
6、tep 3. Listening 1. 1b Listen and complete the sentences. 2. Listen again and check (√) the sentences you hear. Step 4 Practice 1. Role-play the conversation in 1c. Step 5 Language points 1. We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try one’s best to do 努力去做某事。
7、 e.g. Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该努力学习。 2. Here are some words related to different kinds of pollution. be related to 与…有关 e.g. I am not related to him in any way. 我和他无任何关系。 3. Everyone in this town should pla
8、y a part in cleaning it up! pla
